Animal or vegetable fats and oils and fractions thereof, boiled, oxidized, dehydrated, sulphurized, blown, polymerized by heat in vacuum or in inert gas or otherwise chemically modified, excluding those of heading No.15.16;inedible mixtures or preparation 化学改性的动、植物油、脂(包括其分离品及本章油脂混合制成的非食用油脂或制品,品目1516的产品除外),